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Single Family ResidenceResidential
$1,020,998$589 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 93How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

309 RIVER ST

WEST NEWTON, MA 02465
3
Beds
2.5
Baths
1,734 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
4,250 ft²
Lot SizeThe size of the land the home sits on, from county records.
1950
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1M
$950K low$1.1M high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$820,998
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$656,798
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.22%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$200,000
FLEET NATIONAL BANK · recorded Mar 18, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,904 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$806,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$665,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$141,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$933,375

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyMIDDLESEX
Lot (acres)The size of the land the home sits on, from county records.0.10
ConstructionThe main material the home's frame and walls are built from.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Franklin Elementary SchoolA
Elementary · Grades KG–5 · 0.5 mi
M
F. A. Day Middle SchoolA
Middle · Grades 6–8 · 1.3 mi
H
Newton North High SchoolA+
High · Grades 9–12 · 1.8 mi

District: Newton School District

Neighborhood · ZIP 02465These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.59
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.74

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.13,311
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,877 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$170,293
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$229,449
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

309 River St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth less than 76% of homes in West Newton 02465
  • Costs less per square foot than 80% of homes in West Newton 02465
  • Smaller than 68% of homes in West Newton 02465
  • Has a smaller lot than 96% of homes in West Newton 02465
  • Newer than 76% of homes in West Newton 02465

What homes are worth in West Newton 02465

Each bar is how many homes fall in that price range. The marker is this home.

This home
$665K$5.4M

This home is worth more than 24% of homes in West Newton 02465.

How it measures up in West Newton 02465

The dot is this home. The mark in the middle is the typical home in West Newton 02465.

Estimated value$1,020,998
CheaperTypical $1,342,634Pricier

Pricier than 24% of homes nearby

Price per ft²$589
CheaperTypical $699Pricier

Pricier than 20% of homes nearby

Living area1,734 ft²
SmallerTypical 2,152 ft²Bigger

Bigger than 32% of homes nearby

Lot size4,250 ft²
SmallerTypical 0.2 acBigger

Bigger than 4% of homes nearby

Year built1950
OlderTypical 1930Newer

Newer than 76% of homes nearby

How 309 River St ranks against every home in each area.
MeasureThis homeWest Newton 02465Middlesex County
Estimated valuepricier than$1,020,99824% of homes71% of homes
Price per ft²pricier than$58920% of homes74% of homes
Living areabigger than1,734 ft²32% of homes46% of homes
Lot sizebigger than4,250 ft²4% of homes11% of homes
Year builtnewer than195076% of homes41% of homes

About 309 River St

How much is 309 River St, West Newton, MA worth?

The TopHap Estimate for 309 River St, West Newton, MA is $1,020,998 as of Jul 14, 2026. The likely range is $949,569 to $1,092,427. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 River St, West Newton, MA last sell?

309 River St, West Newton, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 309 River St, West Newton, MA?

309 River St, West Newton, MA has 3 bedrooms, 2.5 bathrooms, 1,734 square feet of living space and a 0.10-acre lot.

When was 309 River St, West Newton, MA built?

309 River St, West Newton, MA was built in 1950, making it 76 years old. It is a colonial home. The building has 2 stories.

What schools serve 309 River St, West Newton, MA?

309 River St, West Newton, MA is assigned to Franklin Elementary School (elementary), rated A; F. A. Day Middle School (middle), rated A; Newton North High School (high), rated A+. All sit in Newton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 309 River St, West Newton, MA compare to other homes in West Newton 02465?

Among the 3,799 homes in West Newton 02465, it is worth more than 24% of them ($1,020,998 against a typical $1,342,634), its price per square foot is higher than 20% of them ($589 against a typical $699), it is bigger than 32% of them (1,734 ft² against a typical 2,152 ft²), its lot is bigger than 4% of them (4,250 ft² against a typical 0.2 ac) and it is newer than 76% of them (1950 against a typical 1930). Measured against all of Middlesex County, it is worth more than 71% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 309 River St, West Newton, MA?

The 2025 property tax bill for 309 River St, West Newton, MA was $7,904. The county assessed it at $806,500.

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